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PHOTOGRAMMETRIC TECHNIQUES FOR ROAD SURFACE ANALYSIS
Photogrammetry 3D reconstruction Automation Non-contact measurements Road surface analysis
2016/11/11
The quality and condition of a road surface is of great importance for convenience and safety of driving. So the investigations of the behaviour of road materials in laboratory conditions and monitori...
DETECTION OF CRACKS IN PAVED ROAD SURFACE USING LASER SCAN IMAGE DATA
Paved Road Surface Crack Detection Laser Scan Image Background Subtraction Image Segmentation
2016/7/5
In the current study, we developed a methodology for detecting cracks in the surface of paved road using 3D digital surface model of road created by measuring with three-dimensional laser scanner whic...
AUTOMATIC EXTRACTION OF ROAD SURFACE AND CURBSTONE EDGES FROM MOBILE LASER SCANNING DATA
Automation Extraction Laser scanning Mapping Mobile Surface Urban
2015/5/21
We present a procedure for automatic extraction of the road surface from geo-referenced mobile laser scanning data. The basic assumption of the procedure is that the road surface is smooth and limited...
ROAD SURFACE TEXTURES CLASSIFICATION USING OPENING-BASED IMAGE PROCESSING
texture analysis road surface inspection hierarchical process multiresolution cooccurrence matrix morphological pyramid
2014/12/31
This paper deals with an innovative approach for achieving an automatic vision system for road surface texture classifi-cation. A road surface is composed by aggregates with a particular grain size di...
基于Matlab/Simulink的随机路面建模与不平度仿真（Modeling and Simulation on Stochastic Road Surface Irregularity Based on Matlab/Simulink）
路面不平度 随机激励 功率谱密度 时域模型 仿真
2010/4/1
在分析路面空间频率功率谱密度、时间频率功率谱密度与方差之间关系的基础上，建立了路面随机信号生成模型，在不同车速情况下进行了仿真，生成了B和C级随机路面时间激励信号。利用功率谱密度和方差分析，对所建立模型的仿真结果与路面分级标准进行比较，证明所建模型产生的随机信号功率谱和方差值与国家规定的路面等级标准一致，结果准确，可以为车辆控制研究提供可靠的激励信号。 In the time domain ana...
Movement of the vehicle being braked when some wheels are incapable of braking or have lost touch with the road surface
vehicle wheel dynamics movement deceleration
2010/11/2
Movement of the vehicle when its certain wheels have lost contact with the surface of the road or cannot be held up through other reasons is considered in the present article. The vehicle deceleration...
Efficiency of a braking process evaluating the roughness of road surface
dynamics vehicle hydraulic braking system ABS tire roughness numerical method
2010/11/2
Transport traffic safety depends on many factors; one of them being the efficiency of the vehicle braking. The efficiency of the vehicle depends on the reaction of the driver, the braking system, the ...
Comparative research of a motor car motion in the case of the loss of contact with the road surface
inertia air resistance car velocity car fly off distance springboard parameters of car motion
2010/11/2
The paper describes the car motion when the contact between its wheels and the road surface is lost. A simulation of such car motion was carried out using a mathematical package "Maple 6" for the two ...
Movement of a vehicle after loosing the touch of the wheels with road surface
the wheels road surface a motorcycle
2010/11/4
The article includes the examination of the movement of a vehicle while its wheels lose the touch with road surface. Moving of a vehicle while it comes down to the same level from which it has risen i...
Description of road surface modeling the suspensions of vehicles
road surface the suspensions of vehicles
2010/11/4
This article analyses methods of describing Lithuanian road pavements, i. e. harmonic analysis, correlation functions, etc. This article also studies the specific features for describing microprofile ...